Portable power charger



FIG. 1 is a front, bottom, right-hand side perspective view of a portable power charger comprising a first embodiment of a new, original and ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-hand side view thereof;

FIG. 5 is a right-hand side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a portable power charger, substantially as shown and described. 